🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTürkçeРусскийفارسی한국어日本語EntityQ5502875· pop 15· linked from 5 articlesfrequency metermeter that displays the frequency of an electronic signalWikidata factsImageCzestosciomierz-49.9Hz.jpgvia Wikidata · CC0Available in 15 languagesEspañolFrançaisDeutsch日本語PortuguêsItalianoArmenianCatalanEsperantoMacedonianNederlandsConnectionsfrequencyEntitypianoEntityCategoriesElectrical metersElectronic test equipment